TREA

Henry D. Giffin

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  • Chadderton, Oldham, Lancashire OL1 2TX, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mixing polymers such as rubber
    • Patent number 4,657,871
    • Issue date Apr 14, 1987
    • Philip K. Freakley
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL